Get rid of trailing whitespace.

Commit generated by command:

find -type f ! -path '*.git*' ! -path '*.png' ! -path '*.ico' ! -path \
    '*.ogg' | xargs -I '{}' sed -i '{}' -e 's/\t*$//g' -e 's/ *$//g'

modules/client_entergame/characterlist.lua

@@ -243,7 +243,7 @@ function CharacterList.create(characters, account, otui)
   else
     accountStatusLabel:setText(tr('Free Account'))
   end
-  
+
   if account.premDays > 0 and account.premDays <= 7 then
     accountStatusLabel:setOn(true)
   else